1dynamite

Full Definition of DYNAMITE

1

: an explosive that is made of nitroglycerin absorbed in a porous material and that often contains ammonium nitrate or cellulose nitrate; also: an explosive (as a mixture of ammonium nitrate and nitrocellulose) that contains no nitroglycerin

2

: one that has a powerful effect <an actress who's dynamite at the box office>; also: something that has great potential to cause trouble or conflict <an issue regarded as political dynamite>